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Shopping for 2003-Isuzu-Ascender
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Oil Cooler Line

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Engine Oil Fill Tube
A-Premium®
Engine Oil Fill Tube for Chevy Tahoe Silverado 1500 GMC Yukon Buick Cadillac
$28.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2003 Isuzu Ascender
Item LocatedUnited States
Quantity1
MaterialPlastic
ColorBlack
Part interchange
917-420, 917420, 12574386, 8125743860
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Outlet Lower Transmission Oil Cooler Line
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Outlet Lower Transmission Oil Cooler Line for Buick Rainier Chevy Trailblazer
$48.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2003 Isuzu Ascender
Item LocatedUnited States
Quantity1
Installation PositionRadiator Oil Cooler Outlet (Lower)
MaterialMetal
ColorNatural
Part interchange
624-955, 5801244, 15817514, 8158175140
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Automatic Transmission Oil Cooler Hose
A-Premium®
Automatic Transmission Oil Cooler Hose for Chevrolet Trailblazer GMC Envoy Buick
$63.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2003 Isuzu Ascender
Item LocatedUnited States
Quantity1
Installation PositionInlet From Radiator (Upper)
MaterialMetal
ColorNatural
Part interchange
624-954, 5801243, 15817515, 8158175150
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Outlet Lower Auto Trans Oil Cooler Line Assembly
A-Premium®
Outlet Lower Auto Trans Oil Cooler Line Assembly for GMC Envoy 02-09 Chevy Saab
$60.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2003 Isuzu Ascender
Item LocatedUnited States
Quantity1
Installation PositionOutlet From Radiator (Lower)
MaterialMetal
ColorNatural
Part interchange
624-953, 5801242, 15817501, 8158175010
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Inlet Lower Transmission Oil Cooler Line Assembly
A-Premium®
Inlet Lower Transmission Oil Cooler Line Assembly for Chevy Trailblazer 02-09
$45.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2003 Isuzu Ascender
Item LocatedUnited States
Quantity1
Installation PositionRadiator Oil Cooler Inlet (Lower)
MaterialMetal
ColorNatural
Part interchange
624-956, 5801245, 15817500, 8158175000
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Outlet Auto Trans Oil Cooler Line Assembly
A-Premium®
Outlet Auto Trans Oil Cooler Line Assembly for Buick Rainier Chevy GMC Saab
$45.99
Quantity Less than 4
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2003 Isuzu Ascender
Item LocatedUnited States
Quantity1
Installation PositionOutlet From Radiator (Driver Side)
MaterialMetal
ColorNatural
Part interchange
624-582, 5801454, 15817513
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Inlet Automatic Transmission Oil Cooler Hose
A-Premium®
Inlet Automatic Transmission Oil Cooler Hose for Chevrolet Buick GMC Envoy Saab
$51.99
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3-year warranty
90 days free return
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2003 Isuzu Ascender
Item LocatedUnited States
Quantity1
Installation PositionInlet (Passenger Side)
Part interchange
5802053, 15817499
ConditionNew
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What is an oil cooler line for?

 

Oil cooler lines are designed to carry oil from the engine to the oil cooler and back. The oil cooler is an important component in the engine cooling system, as it helps regulate the engine oil temperature, improving engine performance and extending engine life.

 

What causes an engine oil cooler line to leak?

 

Engine oil cooler line leaks can be caused by:

 

  • Age and wear: Over time, oil cooler lines can become worn or brittle due to age, heat, and exposure to the elements. This can cause the lines to crack or develop leaks.
  • Corrosion: If the oil cooler lines are made of metal, they can corrode over time due to exposure to moisture or other corrosive substances. This can cause the lines to weaken or develop leaks.
  • Improper installation: If the oil cooler lines are not properly installed, they may become misaligned or damaged, which can cause leaks.
  • High pressure: If the engine oil pressure is too high, it can put extra stress on the oil cooler lines, causing them to fail or develop leaks.
  • Impact damage: If the oil cooler lines are located in a vulnerable position, they may be damaged by rocks, debris, or other objects, which can cause leaks.
  • If a leak is detected, it should be repaired promptly to avoid engine damage and reduced performance.

 

How to replace an oil cooler line?

 

To replace an oil cooler line, you need to first drain the engine oil, then locate and remove the damaged line. Then install the new line with new gaskets or O-rings if needed. After that, refill the engine oil and check for leaks to test drive the vehicle. Specific steps may vary depending on the vehicle, so consulting the owner's manual or a mechanic for guidance may be more helpful.